Highly polarized components of integrated pulse profiles
文献类型:期刊论文
作者 | Wang, P. F.![]() ![]() |
刊名 | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
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出版日期 | 2016-11-11 |
卷号 | 462期号:4页码:4416-4426 |
关键词 | acceleration of particles magnetic fields polarization pulsars: general |
英文摘要 | Highly polarized components of pulse profiles are investigated by analysing observational data and simulating the emission processes. The highly polarized components appear at the leading or trailing part of a pulse profile, which preferably have a flat spectrum and a flat polarization angle curve compared with the low polarized components. By considering the emission processes and propagation effects, we simulate the distributions of wave modes and fractional linear polarization within the entire pulsar emission beam. We show that the highly polarized components can appear at the leading, central, and/or trailing parts of pulse profiles in the models, depending on pulsar geometry. The depolarization is caused by orthogonal modes or scattering. When a sight line cuts across pulsar emission beam with a small impact angle, the detected highly polarized component will be of the O mode, and have a flat polarization angle curve and/or a flat spectrum as observed. Otherwise, the highly polarized component will be of the X mode and have a steep polarization angle curve. |
WOS标题词 | Science & Technology ; Physical Sciences |
类目[WOS] | Astronomy & Astrophysics |
研究领域[WOS] | Astronomy & Astrophysics |
关键词[WOS] | GREEN-BANK-TELESCOPE ; MHZ STATISTICAL SUMMARIES ; SOUTHERN PULSARS ; RADIO PULSARS ; MILLISECOND PULSARS ; PSR J1022+1001 ; POLARIMETRIC OBSERVATIONS ; CURVATURE RADIATION ; VELOCITY VECTORS ; FARADAY-ROTATION |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000385231600068 |
源URL | [http://ir.bao.ac.cn/handle/114a11/6893] ![]() |
专题 | 国家天文台_射电天文研究部 |
作者单位 | Chinese Acad Sci, Natl Astron Observ, A20 Datun Rd, Beijing 100012, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, P. F.,Han, J. L.. Highly polarized components of integrated pulse profiles[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2016,462(4):4416-4426. |
APA | Wang, P. F.,&Han, J. L..(2016).Highly polarized components of integrated pulse profiles.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,462(4),4416-4426. |
MLA | Wang, P. F.,et al."Highly polarized components of integrated pulse profiles".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 462.4(2016):4416-4426. |
入库方式: OAI收割
来源:国家天文台
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